
Yes. Yes they are. Ideological and partisan viewpoints have converged over the last 50 years such that conservatives/republicans overlap almost 1:1 and liberals are generally Democrats. It’s been confirmed by political scientists. Dems are more ideologically diverse yes, but liberals are included within that.
They’re not subjective cut offs. The current hegemonic world system is capitalism. You’re either for conserving the current system (right) or against it and want to move onto the more advanced system that has developed since the right wing system (left). Nothing about that is subjective